- to set on end, as a barrel or ship.
- to affect drastically or radically, as tastes, opinions, reputations, or systems.
- to defeat in competition, as in boxing or business.
- to become upended.
- to place the body back-end up, as a dabbling duck.
Origin of upend
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for upend
It is a revolutionary story, which threatens to upend the world as we know it.Jesus Wasn’t Born Rich. Think About It.
December 25, 2014
It would inject a threat of accountability into power, and upend the impunity wartime leaders had operated under for years.The Man Who Invented the Word ‘Genocide’
November 19, 2014
In August, Sen. Ted Cruz linked the need to upend the IRS to its abuse of power.Huckabee: ‘A Tax Is Punishment’
September 29, 2014
[S]omething larger is going on here, which could upend everything and produce unintended consequences.There Are No “True” Independent Voters in American Politics
December 3, 2013
The one event that could upend that is an encore from a passive, disengaged Obama.Robert Shrum on the Vice Presidential Debate: Biden’s Win Was a Big F@$&ing Deal
October 12, 2012
- to turn or set or become turned or set on end
- (tr) to affect or upset drastically
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for upend
Online Etymology Dictionary, © 2010 Douglas Harper